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Although is a simple drawing, as soon as my cash allows me, I'll try to produce one, though my tools are very limted, this is based on a experience of several thousands panos (with a shorter pole than 2C)
and only several houndreds with the Series 2 Complete.
Its main job will be to keep the pole up when is retracted at 1,2m and reduce the need for muscle when is up at greater extension, besides the leveling and zeroing on the fly, of course.

nice design. Might it be a good idea to add a 10 or 15 cm tube inside the ball around the pole, where it can glide into. To release stress to the end of the pole? Plus a small foldable footplate at one on the leg to step on.

nice design. Might it be a good idea to add a 10 or 15 cm tube inside the ball around the pole, where it can glide into. To release stress to the end of the pole? Plus a small foldable footplate at one on the leg to step on.

Cheers,
Heinz

Thanks Heinz, sure the inside tube and ball barrings and other things aren't represented, the tube can even protude the ball so on.. , Nick knows better and what can be cost effective.
The stress on the rotator can be very little or almost none, inside a rubber house, so on..
For the pedal may be need for a teethered rule or smth, not know the correct word, and while it can have spring, the photographer could step on it.

That's a great idea. The ball socket would be perfect on the less than level surfaces that I frequently shoot on. I'd like up to 30 degrees of freedom however. And alignment marks on the collar so you know where you are in the rotation.

That's a great idea. The ball socket would be perfect on the less than level surfaces that I frequently shoot on. I'd like up to 30 degrees of freedom however. And alignment marks on the collar so you know where you are in the rotation.

As you might notice, I designed it as a kind of self securing leveling base,
with the help of gravity (a reduction might be needed) and further secured if
photographer press down, a natural and less tireing manuvre.
As I previously mentioned, is not ment to keep the pole up by itself when the
pole is fully extended only to help the photographer, by reduce the need of the
muscle,
AND, now with this improoved version, to reduce the need of info/stress in which
direction to compensate and secure the pole, not should be easier: just press
down...
A main feature will be however to keep it up when the pole is retracted at 1.2m
and I'll focuss on that.

In a further version I might add some secure/release pedal,
kind of level the pole and use your 70kgs to press down and a spring will put the pedal in position (to maintan the increassed force, while pressing the pedal will relese that spring.. so on..

Although I don't quite understand how Dorin's design work, I admit a tripod base will offer better versatility than a foot plate.

I'm now using a Velbon mini tripod as base/ foot plate. With a custom made tripod central column (A single piece with the top made according to the NN Quick Mount Mini Adapter Clamp), I 'm able to step on one of the tripod leg when I'm rotating with the camera.http://www.johnchoy.com/download/20121128_NN.jpg

Anyway, I think the Induro LFB75S is also very promising as the pole base too. A 75mm half ball adaptor with a Quick Mount Mini Adapter Clamp build in would be very ideal then :)